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Z31 Dash Warning Lamps[edit]

Here you will find information on the Dash Warning Lamps and what they mean.

Lamp Chart[edit]

Image	Lamp Name	Description
	Charging System	This light usually means the alternator is not charging correctly. When this happens a few of the other lights come on at the same time. Simply replace the alternator. Be sure you have the auto parts store test the old alternator first and the new one before you leave the store as many are DOA. The voltage regulator is internal to the alternator.
	Brake System	When this light is on, the fluid level in the master cylinder is low. This usually happens around the time you need new brake pads... [rest of description as in your text]
	Cooling System	When this light is on the Coolant level in the overflow bottle is low. Fill the overflow bottle with coolant. If you have coolant in the bottle, the switch is stuck. Remove the whole overflow bottle and clean with some CLR (calcium, lime, rust) remover.
	Door Warning	When this light is on one of the doors is open. It could be either driver or passenger door or the rear hatch. If all are closed the door switch may be broken.
	O2 sensor	This Lamp comes on every 30,000 miles. Check and replace (if needed) the oxygen sensor. Then reset the sensor light. To reset: Drop the glovebox door by pressing in the sides, remove screws, and locate the relay above the glovebox frame. Press the rubber-covered button to reset. After 90,000 miles, disconnect the sensor light wire below the steering wheel.
	Fuel Warning	When this lamp is on the fuel level is low. This light usually comes on with about 3 to 5 gallons of gas left in the 19 gallon tank.
	Lighting System 86+	When this light is on, one of either Head lamps, Brake lamps, or Tail lamps are out. Replace burnt out lamp. If all are functioning, check tail light/headlamp sensors.
	Head Lamp 84-85	When this light is on, one of the Head lamps is out, Replace lamp. If both head lights are functioning, check the head light sensor.
	Tail Lamp 84-85	When this light is on, one of the Tail lamps or brake lamps is out, Replace lamp. If all are functioning, check the tail light sensor.
	Oil Pressure	When this lamp is on, the oil pressure is reading low. This can happen if oil level is low or the Oil pressure sending unit harness gets disconnected. The sending unit is also known to go bad, giving false readings.
	Seatbelt Warning	This flashes for a few seconds when you first turn the car on to remind you to fasten your seat belt.
	Washer Level	When this lamp is on, the windshield washer fluid is low. If the fluid is full the sensor can be stuck. Clean again with CLR.

Sources Used[edit]

1984-1989 Nissan Owners manuals

Lamp Images by: Paul Hillman (AZ-ZBUM)

@@ Line 1: / Line 1: @@
-{{ImportedFrom|site=Xenonzcar|title=Z31 Dash Warning Lamps|url=http://www.xenonzcar.com/z31/warninglamps.php.html|archive=https://dev.z31library.com/xenonzcar_archive/z31/warninglamps.php.html|fetched=2026-05-15}}
+{{ImportedFrom|site=Xenonzcar|title=Z31 Dash Warning Lamps|url=https://z31library.com/xenonzcar_archive/z31/warninglamps.php.html|archive=https://z31library.com/xenonzcar_archive/z31/warninglamps.php.html|fetched=2026-05-15}}
 == Z31 Dash Warning Lamps ==
@@ Line 7: / Line 7: @@
 === Lamp Chart ===
-| Image | Lamp Name | Description |
+{| class="wikitable"
-|---|---|---|
+! Image
-![]() |
+! Lamp Name
-Charging System | This light usually means the alternator is not charging correctly. When this happens a few of the other lights come on at the same time. Simply replace the alternator. Be sure you have the auto parts store test the old alternator first and the new one before you leave the store as many are DOA. The voltage regulator is internal to the alternator. |
+! Description
-![]() |
+|-
-Brake System | When this light is on, the fluid level in the master cylinder is low. This usually happens around the time you need new brake pads... [rest of description as in your text] |
-![]() |
-Cooling System | When this light is on the Coolant level in the overflow bottle is low. Fill the overflow bottle with coolant. If you have coolant in the bottle, the switch is stuck. Remove the whole overflow bottle and clean with some CLR (calcium, lime, rust) remover. |
-![]() |
-Door Warning | When this light is on one of the doors is open. It could be either driver or passenger door or the rear hatch. If all are closed the door switch may be broken. |
-![]() |
-O2 sensor | This Lamp comes on every 30,000 miles. Check and replace (if needed) the oxygen sensor. Then reset the sensor light.
-To reset: Drop the glovebox door by pressing in the sides, remove screws, and locate the relay above the glovebox frame. Press the rubber-covered button to reset. After 90,000 miles, disconnect the sensor light wire below the steering wheel.
 |
-![]() |
+| Charging System
-Fuel Warning | When this lamp is on the fuel level is low. This light usually comes on with about 3 to 5 gallons of gas left in the 19 gallon tank. |
+| This light usually means the alternator is not charging correctly. When this happens a few of the other lights come on at the same time. Simply replace the alternator. Be sure you have the auto parts store test the old alternator first and the new one before you leave the store as many are DOA. The voltage regulator is internal to the alternator.
-![]() |
+|-
-Lighting System 86+ | When this light is on, one of either Head lamps, Brake lamps, or Tail lamps are out. Replace burnt out lamp. If all are functioning, check tail light/headlamp sensors. |
+|
-![]() |
+| Brake System
-Head Lamp 84-85 | When this light is on, one of the Head lamps is out, Replace lamp. If both head lights are functioning, check the head light sensor. |
+| When this light is on, the fluid level in the master cylinder is low. This usually happens around the time you need new brake pads... [rest of description as in your text]
-![]() |
+|-
-Tail Lamp 84-85 | When this light is on, one of the Tail lamps or brake lamps is out, Replace lamp. If all are functioning, check the tail light sensor. |
+|
-![]() |
+| Cooling System
-Oil Pressure | When this lamp is on, the oil pressure is reading low. This can happen if oil level is low or the Oil pressure sending unit harness gets disconnected. The sending unit is also known to go bad, giving false readings. |
+| When this light is on the Coolant level in the overflow bottle is low. Fill the overflow bottle with coolant. If you have coolant in the bottle, the switch is stuck. Remove the whole overflow bottle and clean with some CLR (calcium, lime, rust) remover.
-![]() |
+|-
-Seatbelt Warning | This flashes for a few seconds when you first turn the car on to remind you to fasten your seat belt. |
+|
-![]() |
+| Door Warning
-Washer Level | When this lamp is on, the windshield washer fluid is low. If the fluid is full the sensor can be stuck. Clean again with CLR. |
+| When this light is on one of the doors is open. It could be either driver or passenger door or the rear hatch. If all are closed the door switch may be broken.
+|-
+|
+| O2 sensor
+| This Lamp comes on every 30,000 miles. Check and replace (if needed) the oxygen sensor. Then reset the sensor light.<br />To reset: Drop the glovebox door by pressing in the sides, remove screws, and locate the relay above the glovebox frame. Press the rubber-covered button to reset. After 90,000 miles, disconnect the sensor light wire below the steering wheel.
+|-
+|
+| Fuel Warning
+| When this lamp is on the fuel level is low. This light usually comes on with about 3 to 5 gallons of gas left in the 19 gallon tank.
+|-
+|
+| Lighting System 86+
+| When this light is on, one of either Head lamps, Brake lamps, or Tail lamps are out. Replace burnt out lamp. If all are functioning, check tail light/headlamp sensors.
+|-
+|
+| Head Lamp 84-85
+| When this light is on, one of the Head lamps is out, Replace lamp. If both head lights are functioning, check the head light sensor.
+|-
+|
+| Tail Lamp 84-85
+| When this light is on, one of the Tail lamps or brake lamps is out, Replace lamp. If all are functioning, check the tail light sensor.
+|-
+|
+| Oil Pressure
+| When this lamp is on, the oil pressure is reading low. This can happen if oil level is low or the Oil pressure sending unit harness gets disconnected. The sending unit is also known to go bad, giving false readings.
+|-
+|
+| Seatbelt Warning
+| This flashes for a few seconds when you first turn the car on to remind you to fasten your seat belt.
+|-
+|
+| Washer Level
+| When this lamp is on, the windshield washer fluid is low. If the fluid is full the sensor can be stuck. Clean again with CLR.
+|}
 === Sources Used ===
-[https://www.xenonzcar.com/z31/z31ownersmanuals.php 1984-1989 Nissan Owners manuals]- Lamp Images by: Paul Hillman (AZ-ZBUM)
+[[Z31/z31ownersmanuals php|1984-1989 Nissan Owners manuals]]
+* Lamp Images by: Paul Hillman (AZ-ZBUM)
 [[Category:Imported from Xenonzcar]]